Hi Jeremy,
Several factors may affect the migration performance. For recommendations on how to optimize migration using Content Matrix, please refer to the link below:
How to optimize performance for SharePoint migrations
metalogix.force.com/.../How-to-optimize-performance-for-SharePoint-migrations
Regards,
Cyrus
Let me try it a different way. Incrementals take the same amount of time as fulls. event 3-4 days apart with no changes.